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Blend recipes · Bug repellent

mosquito firewall

4 oils · Citrus · Floral · Herbal · Woody · code BL-2543


Like a firewall made of scent: citronella on the front line with bold grass, lemon eucalyptus backing it up with crisp lemon, and geranium and cedarwood locking it down with florals and dry wood. Diffuse by the front door or balcony, anywhere mosquitoes sneak in at dusk. Place the diffuser right by the door gap and switch it on from 5pm (17:00); add 1 drop of cedarwood for a woodier tail.


Formula

Drop ratio · 4:3:2:1
Citronella4 drops · top note
Lemon Eucalyptus3 drops · top note
Geranium2 drops · middle note
Cedarwood1 drop · base note

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How it unfolds

On opening. Citronella (strong, green and slightly lemony); lemon eucalyptus (green, lemony and cool, a little like lemongrass) rise first, clearest in the first 10–15 minutes.

As it settles. Geranium (green and rosy, fresh and balanced) forms the body of the scent and stays longest in the room.

What remains. Cedarwood (dry and warm, like a wooden chest and pencil shavings) sinks in and lingers after the diffuser is off.


Method

Diffuser
Citronella 4 · Lemon Eucalyptus 3 · Geranium 2 · Cedarwood 1 drops in 200–300 ml of water. Run for 30–60 minutes, then take a break.
10 ml roller
Citronella 2 · Lemon Eucalyptus 2 · Geranium 1 · Cedarwood 1 drops, then top up with a carrier oil (jojoba or sweet almond). Dab on wrists and the back of the neck.
50 ml room spray
Citronella 12 · Lemon Eucalyptus 9 · Geranium 6 · Cedarwood 3 drops + 1 teaspoon of food-grade alcohol, then top up with distilled water. Shake before spraying.

Full guide to the ways of using essential oils →


Safety

Do not use for children under 6, during pregnancy, or if you have a health condition without asking a professional first. Never ingest essential oils; keep them out of reach of children and pets.


FAQ

How do I use mosquito firewall in a diffuser?
Add Citronella 4 · Lemon Eucalyptus 3 · Geranium 2 · Cedarwood 1 drops to 200–300 ml of water. In a room under 15 m², use 1–2 drops less; in a room over 25 m², add 1 more drop of the main oil.
What can I use instead of citronella?
Swap citronella for rosemary or eucalyptus — same herbal family. The blend will shift a little: rosemary is cool, green, herbal and invigorating.
When is the best time to use mosquito firewall?
Diffuse it on the balcony, porch or in the bedroom in the evening; keep the window screens shut for best results.

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Related blends

Blends with citronellaBlends with lemon eucalyptusBlends with geraniumBlends with cedarwoodBug repellent blends